
(HealthDay News) -- Bronchitis is typically caused by a respiratory virus, and much less frequently, by a bacterial infection, the American Lung Association says.
Risk factors include having close contact with someone who has bronchitis, failure to get age-appropriate vaccinations, and exposure to tobacco smoke, fumes, dust and air pollution.
The American Lung Association says symptoms of bronchitis typically include:
Coronavirus in a Cough: Tests Show Masks Stopping the Spread
Will Expelled Droplets Spread COVID? Ventilation May Be Key
COVID-19 Typically Mild for Babies: Study
'What's Wrong With Me?' Young COVID Survivors Battle Long-Haul Symptoms
Preventing COVID Means Wearing Masks While Social Distancing: Study
Prior Exposure to Common Cold Won't Shield You From COVID: Study
Prior Exposure to SARS Virus Provides Little Protection Against New Coronavirus
I've Already Had COVID-19, Do I Need the Vaccine?